<b>Longines</b>&#39; Heritage stainless steel and leather <b>watch</b> combines the elegant designs of the its earliest models with cutting-edge watchmaking technology, to produce a pioneering timepiece. This automatic watch is powered by a Longines&#39; calibre L633, the self-winding mechanical movement which beats at 28&#39;800vph (vibrations per hour) and provides an impressive 38 hours of power reserve.